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2026-01-12 - 14:56
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack7slot0.osadl.org (updated Mon Jan 12, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650610,0irq/26-eth1-rx-0-21swapper/307:07:273
112750590,0irq/25-eth00-21swapper/207:08:312
112750590,0irq/25-eth00-21swapper/107:07:271
1941424320,0sleep00-21swapper/007:07:050
1971899140,0cyclictest0-21swapper/310:21:163
1971799140,0cyclictest0-21swapper/210:25:562
19716991412,0cyclictest0-21swapper/109:28:201
19715991412,0cyclictest0-21swapper/009:37:030
1971599140,0cyclictest0-21swapper/009:34:380
1971599140,0cyclictest0-21swapper/009:34:370
19718991312,0cyclictest0-21swapper/309:20:593
19718991311,0cyclictest0-21swapper/312:39:513
19718991311,0cyclictest0-21swapper/312:05:003
19717991312,0cyclictest2290-21bash11:59:412
19717991312,0cyclictest15774-21sshd11:00:332
19717991312,0cyclictest0-21swapper/212:10:292
19717991312,0cyclictest0-21swapper/211:47:082
19717991312,0cyclictest0-21swapper/211:27:162
19717991312,0cyclictest0-21swapper/209:55:582
19717991311,0cyclictest0-21swapper/210:45:272
1971799130,0cyclictest0-21swapper/211:11:012
1971799130,0cyclictest0-21swapper/207:30:172
1971799130,0cyclictest0-21swapper/207:20:172
19716991312,0cyclictest0-21swapper/110:03:461
19716991311,0cyclictest0-21swapper/110:25:161
1971699130,0cyclictest25480-21sshd09:17:401
1971699130,0cyclictest25480-21sshd09:17:391
19715991312,0cyclictest0-21swapper/011:42:190
19715991310,0cyclictest0-21swapper/010:43:310
1971599130,0cyclictest0-21swapper/010:04:560
1971599130,0cyclictest0-21swapper/009:47:460
1971599130,0cyclictest0-21swapper/009:20:350
112750130,0irq/25-eth025334-21bash09:50:280
112750130,0irq/25-eth012346-21sshd09:48:261
112750130,0irq/25-eth012310-21sshd10:38:040
112750130,0irq/25-eth011735-21diskmemload12:22:100
41120,0ktimersoftd/05398-21sshd10:20:150
41120,0ktimersoftd/00-21swapper/007:25:230
19718991211,0cyclictest11735-21diskmemload10:12:123
19718991211,0cyclictest11735-21diskmemload09:14:573
19718991211,0cyclictest0-21swapper/311:37:293
19718991211,0cyclictest0-21swapper/310:47:393
1971899120,0cyclictest0-21swapper/312:01:253
1971899120,0cyclictest0-21swapper/310:42:463
1971899120,0cyclictest0-21swapper/309:42:353
1971899120,0cyclictest0-21swapper/309:26:333
1971899120,0cyclictest0-21swapper/309:18:193
1971899120,0cyclictest0-21swapper/309:18:183
19717991212,0cyclictest0-21swapper/211:35:452
19717991212,0cyclictest0-21swapper/210:01:332
19717991212,0cyclictest0-21swapper/209:50:242
19717991211,0cyclictest13016-21sshd11:05:402
19717991211,0cyclictest0-21swapper/212:17:422
19717991211,0cyclictest0-21swapper/212:03:172
19717991211,0cyclictest0-21swapper/211:21:422
19717991211,0cyclictest0-21swapper/210:30:352
19717991210,0cyclictest0-21swapper/212:38:512
19717991210,0cyclictest0-21swapper/211:50:032
19717991210,0cyclictest0-21swapper/210:10:002
19717991210,0cyclictest0-21swapper/210:07:212
1971799120,0cyclictest0-21swapper/212:31:512
1971799120,0cyclictest0-21swapper/212:31:512
1971799120,0cyclictest0-21swapper/212:06:532
1971799120,0cyclictest0-21swapper/211:16:212
1971799120,0cyclictest0-21swapper/210:35:282
19716991212,0cyclictest0-21swapper/112:15:531
19716991211,0cyclictest19672-21sshd11:45:471
19716991211,0cyclictest0-21swapper/112:26:261
19716991211,0cyclictest0-21swapper/111:07:271
1971699120,0cyclictest0-21swapper/111:40:121
1971699120,0cyclictest0-21swapper/110:47:141
1971699120,0cyclictest0-21swapper/110:16:131
1971699120,0cyclictest0-21swapper/109:14:041
19715991212,0cyclictest0-21swapper/012:26:050
19715991211,0cyclictest3315-21sshd10:58:370
19715991210,0cyclictest11735-21diskmemload12:00:530
19715991210,0cyclictest0-21swapper/012:36:410
19715991210,0cyclictest0-21swapper/011:11:450
19715991210,0cyclictest0-21swapper/009:10:130
1971599120,0cyclictest0-21swapper/012:15:310
1971599120,0cyclictest0-21swapper/011:45:120
1971599120,0cyclictest0-21swapper/011:01:180
1971599120,0cyclictest0-21swapper/010:17:090
1971599120,0cyclictest0-21swapper/009:17:540
1971599120,0cyclictest0-21swapper/009:17:530
191120,0ktimersoftd/125298-21sshd11:30:131
112750120,0irq/25-eth00-21swapper/211:34:352
41110,0ktimersoftd/018353-21sshd10:05:490
351110,0ktimersoftd/30-21swapper/311:01:143
19718991111,0cyclictest0-21swapper/312:15:353
19718991111,0cyclictest0-21swapper/311:29:143
19718991110,0cyclictest0-21swapper/311:07:513
19718991110,0cyclictest0-21swapper/310:16:383
19718991110,0cyclictest0-21swapper/307:53:583
1971899110,0cyclictest0-21swapper/310:28:083
1971899110,0cyclictest0-21swapper/308:31:293
1971899110,0cyclictest0-21swapper/308:24:113
1971899110,0cyclictest0-21swapper/308:02:273
1971799119,0cyclictest0-21swapper/209:10:122
19717991111,0cyclictest0-21swapper/212:21:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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